- Remove runtime_id from AuthToken model
- Remove market field from Portfolio model
- Remove BrokerCredential and LedgerTrade unused models
- Remove unique constraint on (owner_user_id, name)
- Simplify postgres repository schema and queries
- Clean up auth_service implementation
- Update test suite for simplified model
- Add service token rotation CLI command with force flag support
- Implement token rotation in auth service with expiration handling
- Add portfolio repository helper for transaction/batch operations
- Add cascade delete support in postgres repository
- Add comprehensive CLI tests for service token operations
- Add REQ-012 specification for service token rotation
- Create BAT-002 delivery batch for token rotation implementation
- Update SRS and batch indexes